document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=710917>Question 710917</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the length of the hour and the minute hands of a clock are 4 cm and 6 cm, <BR>\n" );
document.write( "respectively, what is the distance in cm between the tips of the hands at two<BR>\n" );
document.write( "o'clock?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #437246 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=437246\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If the length of the hour and the minute hands of a clock are 4 cm and 6 cm, <BR>\n" );
document.write( "respectively, what is the distance in cm between the tips of the hands at two<BR>\n" );
document.write( "o'clock?<BR>\n" );
document.write( "**<BR>\n" );
document.write( "At 2 o'clock, the included angle between the hour and minute hands=60º<BR>\n" );
document.write( "let x=distance between the tips of the hands at 2 o'clock<BR>\n" );
document.write( "using law of cosines: c^2=a^2+b^2-2*a*b*cosC<BR>\n" );
document.write( "x^2=4^2+6^2-2*4*6*cos60º<BR>\n" );
document.write( "x^2=16+36-48*1/2<BR>\n" );
document.write( "x^2=28<BR>\n" );
document.write( "x&#8776;5.29<BR>\n" );
document.write( "distance between the tips of the hands at 2 o'clock=5.29 cm </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );